Gearing for motor-vehicles.



v RJA. ROSE. GEARING FOR MOTOR VEHICLES.

APPLICATION FILED MAR. 31, 1908.

Patented Dec. 15, 1908.

' 2 SHEETS-SHEET 1.

wi/bnoow R. A. ROSE.

GEARING FORMOTOR VEHICLES. APPLICATION FILED MAR.31,1908.

906,936. Patented Dec. 15, 1 908,

2 SHEETS-SHEET 2.

UNiTED STATES PATENT OFFICE.

nossnr ALLEN ROSE,

OF SANTA ROSA, CALIFORNIA, ASSIGNOR OF ONE-HALF TO GEORGE G. HOLBROOK, OF SANTA ROSA, CALIFORNIA. a

came to: noron vnmo'rins.

Specification of Letters Patent. 7

' Patented nee. 1a, 1908.

Application fled larch a1, not. me No. man,

To all whom it may concern:-

Be it known that I, ROBERH A, Ross, a

citizen of the United States, residi at Santa Rosa, inthe county of Sonoma an State of California,

Gearing for Motor-Vehicles, of which the fol lowing is a specification.

The invention relates toimprovements in gearing for transmittin power to the front wheels of a motor vehic e.

The object of the present invention is to improve the construction of gearing for transmitting power to and drivin the front wheels of an automobile, or ot or motor vehicle, and to provide simple, inexpensive and efiicient gearing of this character of eat strength and durability capable of rivin the front wheels without interfering witht e steering of the motor vehicle.

With these and other objects in view, the invention consists in the construction and novel combination of parts hereinafter fully described, illustrated in the accompanying drawings, and ointed out in the claims hereto ap ended; it being understood that various c anges in the form, proportion, size and minor details of constructlon, within the scope of the claims, may beresorted to without departin from the s irit or sacrificing any of the vantages of einvention.

In the drawings :-Fig11rs 1 is a plan view of the running gear of a motor vs vided with gearing, constructed in accordance with this invention. Fig. 2 is a front elevation of the-same. Fig. 31s an enlarged detail sectional view, illustrating the construction of the front node and the arrangement of the-gearing.

Like numerals of reference designate corresponding parts in all the figures of the drawin s.

The out axle is composed of an intermediate section or body portion 1 and end sections or spindles 2, pivotally connected with the ends of the body portion and ha gngg wheels 3 mounted on them in any prefe manner. The ends 4 of the intermediate section or body of the axle are enlarged and provided with vertical openings 5 for the reception of a vertical ivot 6. The enlarged at the to with an upw-ardly' extending. arm 7, loca at the Inner a 9 r earmgo en dle 2 has dn en 8. The end section or, spinarged inner portion forminga have lnvented a newand useful register with t .opening 13.

ole pro- Q The driving mechanism,

the opening 5 and havingahorizontal y ka 9, having spaced up er and lower sides or lugs 10 receiving the e arged end 4 of the body portion of the axle between them and ivoted to he lugs are rovided with o 'enings, which 0 opemn bodyof the axle, and t e vertical pivot 6 is rovided at its upper end with a horizontal evel' gear 11 forming a head for the pivot and restin upon the upper lug or side of the yoke, as 0 early illustrated in Fig. 3 of the drawings. The spindle or end section of the axle is also provided with an upwardly extending bearm arm 12, arranged at the top of the yoke an having a horizontal hearing The upwardly extending bear- 7 and 12 have their bearing opening arms ings located 0 posits each other, when the spindle is in a moment with the body of the axle and they. receive inner and outer short horizontal shafts 14 and 15. The inner horizontal shaft 14 is equipped at its outer end with a vertical beve gear 16, which meshes with the horizontal ';beve1 gear 11, and the outer horizontal shaft 15 is rovided at its inner endwith a vertical beve also meshes with the horizontal bevel gear 11. The horizontal bevel gear 11 constitutes an idler for communicating motion from the inner vertical bevel gear 16 to the outer verticai bevel gear 17'.

the same by the vertical pivot 6..

5 of t e end 4 ofthe gear 17, which i The vehicle. wheel 3 isprovided with a s rocket wheel 18, suitably connected with the hub of the wheel 3 and receivin a sprocket chain 1 9, which is also arrange on a .proeket pinion 20, secured to the outer on of the short horizontal shaft 15. The inner end of the inner horizontal shaft 14 is connected b sprocket-gearing-21 with the driving mec anism of the motor vehicle. which may be of any preferred construction, is preferably equip ed with compensating igfgaring 22, connecte with transverse sha 23 and 24,

' which are connected by the said sprocket with the inner horizontal shafts 14. is driven from a on the frame 30 gearing compensating 'gearm suitable motor 29, mounte of the running ear and havingits driving shaft'connected y compensating gearing 31 with opposite-longitudinal shafts 32 and 33. The longitudinal shaft 33 is connected with the front compensating gearing. 22, and the rear longitudinal shaft 33 is connected by rear compensating gearing 34 withopposite the - extending rearwardly from and connected with the end sections or spindles of the axle.

The front wheel in makin a turn is caused to travel around an arc o a circle having for its radius the distance between the pivotal axis of the knuckle joint and the center of the tread of the wheel, and 17 travels around the idler 11 directly in proportion to the annular motion. Forinstance, if we assume that the diameter of the front driving Wheel is thirty six inches and the distance from the center of tread to the .idler 11.

center of the ivot 5 is six inches, the front wheel in msfking a com lete revolution around the pivot, would ma e but one third of a rotation on the spindle, but the miter gear 17 being in mesh with the idler 11, which is of the same diameter as the miter ear 17, would make a complete rotation on 1ts own axis while making one revolution around the If the miter gear 17 and the front wheel were rigidly connected, it would be impossible the direction of the vehicle without'sliding the front wheel over the ground.- In order to oyercome this, the sprocket caring is employed, and the sprocket whee s are so proportioned as to cause the miter gear to make 1ts proper axial revolution. In the proportions aforesaid it would be necessary to make them relatively three to one, and this would cause the miter ear 17 to travel around the idler 11 wit out any twisting strain on the shaft. The s rocket gearin whlch connects the outer orizontalsha t with the front wheel is more or less yieldable, and any sprin ing. of the :axle will not affect the roper mes in of the ears.

'aving thus fu y descri ed my invention,

what I c aim as new and desire to secure by Letters. Patent, is 2- v 1. In gearin of the class described, the combination 01 a front axle havin a body portion and provided with a pivoteg'spindle, inner and outer horizontal shafts mounted, on the bod of the axle and the pivoted spindle an provided at their roximate ends with gears, an idler gear mes ln'ng with the said gears, a front wheel mounted on the spindle, and sprocket gearing for communicating motion from the outer horizontal shaft to the front wheel.

2. In gearing of the class described, the

the miter gear "vided at their proximate en to turn the front wheel to change combination of an axle having a body portion and provided with a ivoted spindle, inner andouter horizontal s afts located at the'top of the axle and mounted on the body portion thereof and on the spindle and provided at their proximate ends with gears, an idler gear mounted on the pivot of the spindle and meshing with the said gears, and sprocket Fearing connected with the outer horizonta shaft for communicating motion therefrom to the front wheel.

3. In gearin of the class described, the combination 0 an axle body provided with an upwardly extendin arm having a horizontal bearin a s ind e pivoted to the body and rovidec? wit an u wardly pxtending arm aving a horizontal earin inner and outer horizontal shafts journals in the said bearings and provided at their proximate ends wlth vertlcal gears, an idler gear meshin with the said gears and seated on the spindle, and gearing for communicating motron from the outer horizontal shaft to the front wheel.

4. In gearing;

of the class described, the combination 0 anaxle body having an upwardly extendin bearing arm, aspindle provided with a yo e to receive the axle body and having an upwardly extending bearing arm, a pivot piercing the yoke an the axle body and pivoting the spindle to the said body, inner and outer horizontal shafts mounted on the said bearing arms and pros with gears, an idler gear mounted on the said pivot and meshing with the said gears, and gearin for communicating motion from the outer orizontal shaft to the front wheel.

5. In gearin of the class described, the combination 0 an axle body having an enlarged end and provided with a bearing arm projecti'n upwardly from the said end, a

splndle a so provided with an upwardly extending bearing arm and having a yoke receiving the enlarged end of t e axle body, a vertical pivot piercing the yo e and the axle body inner and outer horizontal shafts j ournalecf in the bearin arms and provided at their proximate en s with vertical gears, a horizontal ear mounted on the ivot and meshing wit the vertical gears, an sprocket gearing for communicating motion from the outer horizontal shaft to the front wheel.

6. In gearing of the class described, the combination with a running gear including a frame, of a front axle composed of a body portion, and spindles pivoted to the body portion, inner and outer short horizontal shafts mounted on the body and on the spindles and arran edin pairs, each pair being provided at their proximate ends with gears,

dler gears meshing with the said gears, earmg for connecting the outer horizontal s afts with the front w eels of the running gear, a motor, opposite transverse shafts connected together and driven by the said motor, and

sprocket gearinglocated at opposite sides of t e running gear and connected with the short inner shafts. 7 In gearin of the class described, the combination 0 a front axle havin .a'body portion and provided with a pivote spindle,

short inner and outer horizontal shafts mounted, respectivel on the body ortion of the axle and on t e pivoted spm 1e and provided at their 1proximate ends with gears, an idler gear mes ing with the said gears, a

front wheel mounted on the spindle, means for communicating motion from the outer 1 horizontal shaft to the front wheel, and gearing connected with the inner horizontal shaft for driving the same. a

In testimony, that I claim the foregoing as my own, I have hereto affixed my signature in the presence of two witnesses.

ROBERT ALLEN ROSE.

Witnesses:

GEORGE C. HoLBRooK, R. E. FOSTER. 

